chore: fix some typos (#984)

Signed-off-by: cuishuang <[email protected]>

examples/src/streaming/client.rs

@@ -27,7 +27,7 @@ async fn streaming_echo(client: &mut EchoClient<Channel>, num: usize) {
     // stream is infinite - take just 5 elements and then disconnect
     let mut stream = stream.take(num);
     while let Some(item) = stream.next().await {
-        println!("\trecived: {}", item.unwrap().message);
+        println!("\treceived: {}", item.unwrap().message);
     }
     // stream is droped here and the disconnect info is send to server
 }
@@ -42,9 +42,9 @@ async fn bidirectional_streaming_echo(client: &mut EchoClient<Channel>, num: usi
 
     let mut resp_stream = response.into_inner();
 
-    while let Some(recived) = resp_stream.next().await {
-        let recived = recived.unwrap();
-        println!("\trecived message: `{}`", recived.message);
+    while let Some(received) = resp_stream.next().await {
+        let received = received.unwrap();
+        println!("\treceived message: `{}`", received.message);
     }
 }
 
@@ -58,9 +58,9 @@ async fn bidirectional_streaming_echo_throttle(client: &mut EchoClient<Channel>,
 
     let mut resp_stream = response.into_inner();
 
-    while let Some(recived) = resp_stream.next().await {
-        let recived = recived.unwrap();
-        println!("\trecived message: `{}`", recived.message);
+    while let Some(received) = resp_stream.next().await {
+        let received = received.unwrap();
+        println!("\treceived message: `{}`", received.message);
     }
 }
 
@@ -72,13 +72,13 @@ async fn main() -> Result<(), Box<dyn std::error::Error>> {
     streaming_echo(&mut client, 5).await;
     tokio::time::sleep(Duration::from_secs(1)).await; //do not mess server println functions
 
-    // Echo stream that sends 17 requests then gracefull end that conection
+    // Echo stream that sends 17 requests then graceful end that connection
     println!("\r\nBidirectional stream echo:");
     bidirectional_streaming_echo(&mut client, 17).await;
 
     // Echo stream that sends up to `usize::MAX` requets. One request each 2s.
-    // Exiting client with CTRL+C demostrate how to distinguise broken pipe from
-    //gracefull client disconnection (above example) on the server side.
+    // Exiting client with CTRL+C demonstrate how to distinguish broken pipe from
+    //graceful client disconnection (above example) on the server side.
     println!("\r\nBidirectional stream echo (kill client with CTLR+C):");
     bidirectional_streaming_echo_throttle(&mut client, Duration::from_secs(2)).await;